Power Supply Location; Input Requirements; Dc Output; Ac Output - IBM 5150 Hardware Reference Manual

Power Supply Location
The Power Supply is located at the right rear area ofthe System Unit. It
supplies operating voltages to the System Board, IBM Monochrome
Display, annd provides two seperate connections for power to the 5 ­
1/4"
Diskette Drives (if installed). The nominal power requirements
and output voltages are listed on the following tables:
r"\
Input Requirements
Voltage
VOLTAGE
@
60 Hz
NOMINAL MINIMUM MAXIMUM
Vac Vac Vac
120 104 127
Frequency
60 Hz
+/-
.5 Hz
Current
2.5 AMPS MAX
@
LOW LINE INPUT
VOLTAGE OF 120 VAC 60 HZ
DC Output
VOLTAGE
CURRENT
REGULATION
Vdc
AMPS
TOLERANCE
NOMINAL MIN MAX
±% -%
+ 5.0 2.3 7.0 5 4
- 5.0
0.0
0.3
10
8
+12.0
0.0 2.0 5 4
-12.0
0.0 0.25
10 9
AC Output
VOLTAGE
CURRENT VOLTAGE
Vac
AMPS LIMITS Vac
NOMINAL
MIN MAX MIN MAX
I I
120.0
0.0
I
.75
101.0
I
130.0
2-34